<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <script>
      let name = "张三";
      let obj = {
        name,
        arr: [
          {
            name: "李四",
            age: 30,
          },
          {
            name: "李四",
            age: 20,
          },
          {
            name: "李四",
            age: 28,
          },
        ],
        fn() {
          //改成简写
          console.log("fn");
        },
        fn1: () => {
          //箭头语法
          console.log("fn1");
        },
      };
      let { arr } = obj;

      var res = arr.filter((item) => item.age > 25);
      console.log(res);
    </script>
  </body>
</html>
